3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "\u00c5\u00a0koda"; $str = preg_replace("/\\\\u([a-f0-9]{4})/e", "iconv('iso-8859-1','UTF-8',pack('V', hexdec('U$1')))", json_encode($str )); echo $str;

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